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This paper describes an optimized single-stage deep convolutional neural network to detect objects in urban environments, using nothing more than point cloud data. This feature enables our method to work regardless the time of the day and…

Computer Vision and Pattern Recognition · Computer Science 2018-05-21 Kazuki Minemura , Hengfui Liau , Abraham Monrroy , Shinpei Kato

Real-time 3D object detection from point clouds is essential for dynamic scene understanding in applications such as augmented reality, robotics and navigation. We introduce a novel Spatial-prioritized and Rank-aware 3D object detection…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Chenyu Zhao , Xianwei Zheng , Zimin Xia , Linwei Yue , Nan Xue

4D automotive radar is indispensable for autonomous driving due to its low cost and robustness, yet its point cloud sparsity challenges 3D object detection. Existing 4D radar-camera fusion methods focus on complex fusion strategies, trading…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Weiyi Xiong , Bing Zhu

Accurate detection of objects in 3D point clouds is a central problem in many applications, such as autonomous navigation, housekeeping robots, and augmented/virtual reality. To interface a highly sparse LiDAR point cloud with a region…

Computer Vision and Pattern Recognition · Computer Science 2017-11-20 Yin Zhou , Oncel Tuzel

In this paper, we propose SparseDet for end-to-end 3D object detection from point cloud. Existing works on 3D object detection rely on dense object candidates over all locations in a 3D or 2D grid following the mainstream methods for object…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Jianhong Han , Zhaoyi Wan , Zhe Liu , Jie Feng , Bingfeng Zhou

The goal of this paper is to perform 3D object detection in the context of autonomous driving. Our method first aims at generating a set of high-quality 3D object proposals by exploiting stereo imagery. We formulate the problem as…

Computer Vision and Pattern Recognition · Computer Science 2017-04-26 Xiaozhi Chen , Kaustav Kundu , Yukun Zhu , Huimin Ma , Sanja Fidler , Raquel Urtasun

Transformer plays an increasingly important role in various computer vision areas and remarkable achievements have also been made in point cloud analysis. Since they mainly focus on point-wise transformer, an adaptive channel encoding…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Guoquan Xu , Hezhi Cao , Yifan Zhang , Yanxin Ma , Jianwei Wan , Ke Xu

Transformer-based methods have swept the benchmarks on 2D and 3D detection on images. Because tokenization before the attention mechanism drops the spatial information, positional encoding becomes critical for those methods. Recent works…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Changyong Shu , JIajun Deng , Fisher Yu , Yifan Liu

The 3D object detection capabilities in urban environments have been enormously improved by recent developments in Light Detection and Range (LiDAR) technology. This paper presents a novel framework that transforms the detection and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Nawfal Guefrachi , Hakim Ghazzai , Ahmad Alsharoa

Object detection in three-dimensional (3D) space attracts much interest from academia and industry since it is an essential task in AI-driven applications such as robotics, autonomous driving, and augmented reality. As the basic format of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Shi Qiu , Yunfan Wu , Saeed Anwar , Chongyi Li

State-of-the-art methods for driving-scene LiDAR-based perception (including point cloud semantic segmentation, panoptic segmentation and 3D detection, \etc) often project the point clouds to 2D space and then process them via 2D…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Xinge Zhu , Hui Zhou , Tai Wang , Fangzhou Hong , Wei Li , Yuexin Ma , Hongsheng Li , Ruigang Yang , Dahua Lin

3D object detection has seen quick progress thanks to advances in deep learning on point clouds. A few recent works have even shown state-of-the-art performance with just point clouds input (e.g. VoteNet). However, point cloud data have…

Computer Vision and Pattern Recognition · Computer Science 2020-01-30 Charles R. Qi , Xinlei Chen , Or Litany , Leonidas J. Guibas

Point cloud segmentation is a fundamental task in 3D scene understanding. Its progress is constrained by the high cost and time required for dense 3D annotations, making labeled samples difficult to obtain. Beyond annotation scarcity,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Thenukan Pathmanathan , Kanchan Keisham , Thangarajah Akilan

Most existing instance segmentation methods only focus on improving performance and are not suitable for real-time scenes such as autonomous driving. This paper proposes a real-time framework that segmenting and detecting 3D objects by…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Shengjie Li , Caiyi Xu , Jianping Xing , Yafei Ning , Yonghong Chen

Recently, fusing the LiDAR point cloud and camera image to improve the performance and robustness of 3D object detection has received more and more attention, as these two modalities naturally possess strong complementarity. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Zhe Liu , Tengteng Huang , Bingling Li , Xiwu Chen , Xi Wang , Xiang Bai

Lidar based 3D object detection and classification tasks are essential for autonomous driving(AD). A lidar sensor can provide the 3D point cloud data reconstruction of the surrounding environment. However, real time detection in 3D point…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Xuanyu Yin , Yoko Sasaki , Weimin Wang , Kentaro Shimizu

We present a new way to detect 3D objects from multimodal inputs, leveraging both LiDAR and RGB cameras in a hybrid late-cascade scheme, that combines an RGB detection network and a 3D LiDAR detector. We exploit late fusion principles to…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Carlo Sgaravatti , Roberto Basla , Riccardo Pieroni , Matteo Corno , Sergio M. Savaresi , Luca Magri , Giacomo Boracchi

In the context of Intelligent Transportation Systems (ITS), efficient data compression is crucial for managing large-scale point cloud data acquired by roadside LiDAR sensors. The demand for efficient storage, streaming, and real-time…

Image and Video Processing · Electrical Eng. & Systems 2024-10-30 Walter Zimmer , Ramandika Pranamulia , Xingcheng Zhou , Mingyu Liu , Alois C. Knoll

Deep learning on point clouds has made a lot of progress recently. Many point cloud dedicated deep learning frameworks, such as PointNet and PointNet++, have shown advantages in accuracy and speed comparing to those using traditional 3D…

Computational Geometry · Computer Science 2018-12-18 Guanghua Pan , Jun Wang , Rendong Ying , Peilin Liu

Edge computing-based 3D perception has received attention in intelligent transportation systems (ITS) because real-time monitoring of traffic candidates potentially strengthens Vehicle-to-Everything (V2X) orchestration. Thanks to the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Haolin Zhang , M S Mekala , Zulkar Nain , Dongfang Yang , Ju H. Park , Ho-Youl Jung